Hey @Jaegyun_Choi,
Thanks for giving that a try! That would have been an easy way to collect your corrupt files. Outside of that, my next suggestion would be to consolidate all corrupted files into the same folder, and test out re-transcoding them back to their native format.
While Roon can’t do this, you can use a third-party app like dBpoweramp to check the integrity of your files. Here is more information on this: